US Bridges

I-275 WB over Erlanger Service Road

Fair

Kenton County, Kentucky · Wbl @ Boone Co. Ln. · Structure no. 059B00064L

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
42,612
2023 count
Owner
State
State Highway Agency

About this bridge

I-275 WB over Erlanger Service Road is a prestressed concrete continuous stringer/multi-beam or girder carrying I-275 WB over Erlanger Service Road in Kenton County, Kentucky. It was built in 1970, so it is 55 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42,612 vehicles a day, roughly 7% of them trucks, projected to reach 46,873 by 2043. The structure is 176 ft (53.6 m) long and 59 ft wide.

Location

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CarriesI-275 WB
CrossesErlanger Service Road
LocationWbl @ Boone Co. Ln.
RouteInterstate 275
CountyKenton County
StateKentucky
Coordinates39.04444, -84.61472
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span60 ft (18.3 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,612 (2023)
Projected traffic46,873 by 2043
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275 WB over Erlanger Service Road built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-275 WB over Erlanger Service Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does I-275 WB over Erlanger Service Road carry?

About 42,612 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-275 WB over Erlanger Service Road?

The structure is 176 ft (53.6 m) long with a longest span of 60 ft (18.3 m) and a deck 59 ft wide.

Who owns I-275 WB over Erlanger Service Road?

It is owned by the State Highway Agency.